Unusually severe floods from the monsoon rains have swept through the state of Assam in India.
Assessment of sea level rise exposure in major port cities around the world finds $3 trillion currently at risk.
Giant metal supertrees add to the urban garden that Singapore is creating in its Gardens by the Bay project.
Urban bee keeping is becoming more popular around the world, with hives even atop the OpÃƒÂ©ra Garnier in Paris.
The giant Australian cuttlefish is a near-threatened species, according to the updated IUCN Red List.
White roofs in cities could prevent the world from emitting billions of tons of CO2, according to the White Roof Project.
A new study in the U.K. has shown that warmer water temperatures are speeding the mayflies' metabolism and life cycle.
Rising temperatures, lack of rain and wind cause an outbreak of blue-green algae on a lake in China.